KR20070014169A - 다중-입력-다중-출력 ofdm 무선 근거리 네트워크를구현하기 위한 방법 및 시스템 - Google Patents

다중-입력-다중-출력 ofdm 무선 근거리 네트워크를구현하기 위한 방법 및 시스템 Download PDF

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KR20070014169A
KR20070014169A KR1020067023529A KR20067023529A KR20070014169A KR 20070014169 A KR20070014169 A KR 20070014169A KR 1020067023529 A KR1020067023529 A KR 1020067023529A KR 20067023529 A KR20067023529 A KR 20067023529A KR 20070014169 A KR20070014169 A KR 20070014169A
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South Korea
Prior art keywords
channel
symbol
carrier frequency
code
wireless communication
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KR1020067023529A
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English (en)
Korean (ko)
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모니샤 고시
쉬에메이 우양
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코닌클리케 필립스 일렉트로닉스 엔.브이.
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Publication of KR20070014169A publication Critical patent/KR20070014169A/ko

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202Channel estimation
    • H04L25/0224Channel estimation using sounding signals
    • H04L25/0226Channel estimation using sounding signals sounding signals per se
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/0413MIMO systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/02Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
    • H04B7/04Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
    • H04B7/06Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
    • H04B7/0613Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
    • H04B7/0684Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission using different training sequences per antenna
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056Systems characterized by the type of code used
    • H04L1/0057Block codes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0056Systems characterized by the type of code used
    • H04L1/0071Use of interleaving
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/004Arrangements for detecting or preventing errors in the information received by using forward error control
    • H04L1/0072Error control for data other than payload data, e.g. control data
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/02Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/04Arrangements for detecting or preventing errors in the information received by diversity reception using frequency diversity
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/02Arrangements for detecting or preventing errors in the information received by diversity reception
    • H04L1/06Arrangements for detecting or preventing errors in the information received by diversity reception using space diversity
    • H04L1/0618Space-time coding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2602Signal structure
    • H04L27/261Details of reference signals
    • H04L27/2613Structure of the reference signals
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2626Arrangements specific to the transmitter only
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2647Arrangements specific to the receiver only
    • H04L27/2649Demodulators
    • H04L27/26524Fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators in combination with other circuits for demodulation
    • H04L27/26526Fast Fourier transform [FFT] or discrete Fourier transform [DFT] demodulators in combination with other circuits for demodulation with inverse FFT [IFFT] or inverse DFT [IDFT] demodulators, e.g. standard single-carrier frequency-division multiple access [SC-FDMA] receiver or DFT spread orthogonal frequency division multiplexing [DFT-SOFDM]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/003Arrangements for allocating sub-channels of the transmission path
    • H04L5/0048Allocation of pilot signals, i.e. of signals known to the receiver
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines
    • H04L25/0202Channel estimation
    • H04L25/0204Channel estimation of multiple channels
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2602Signal structure
    • H04L27/2605Symbol extensions, e.g. Zero Tail, Unique Word [UW]
    • H04L27/2607Cyclic extensions
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2626Arrangements specific to the transmitter only
    • H04L27/26265Arrangements for sidelobes suppression specially adapted to multicarrier systems, e.g. spectral precoding
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00Modulated-carrier systems
    • H04L27/26Systems using multi-frequency codes
    • H04L27/2601Multicarrier modulation systems
    • H04L27/2647Arrangements specific to the receiver only
    • H04L27/2655Synchronisation arrangements
    • H04L27/2657Carrier synchronisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0001Arrangements for dividing the transmission path
    • H04L5/0014Three-dimensional division
    • H04L5/0023Time-frequency-space

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Radio Transmission System (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Error Detection And Correction (AREA)
KR1020067023529A 2004-05-13 2005-05-10 다중-입력-다중-출력 ofdm 무선 근거리 네트워크를구현하기 위한 방법 및 시스템 KR20070014169A (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US57063704P 2004-05-13 2004-05-13
US60/570,637 2004-05-13
US61472604P 2004-09-30 2004-09-30
US60/614,726 2004-09-30

Publications (1)

Publication Number Publication Date
KR20070014169A true KR20070014169A (ko) 2007-01-31

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KR1020067023529A KR20070014169A (ko) 2004-05-13 2005-05-10 다중-입력-다중-출력 ofdm 무선 근거리 네트워크를구현하기 위한 방법 및 시스템

Country Status (5)

Country Link
US (1) US20070248174A1 (de)
EP (1) EP1751903A2 (de)
JP (1) JP2007537651A (de)
KR (1) KR20070014169A (de)
WO (1) WO2005112323A2 (de)

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US7376191B2 (en) * 2000-10-27 2008-05-20 Lightwaves Systems, Inc. High bandwidth data transport system
US7986729B2 (en) * 1999-10-28 2011-07-26 Lightwaves Systems, Inc. High bandwidth data transport system
US7545868B2 (en) * 2001-03-20 2009-06-09 Lightwaves Systems, Inc. High bandwidth data transport system
US7983349B2 (en) * 2001-03-20 2011-07-19 Lightwaves Systems, Inc. High bandwidth data transport system
US8270452B2 (en) * 2002-04-30 2012-09-18 Lightwaves Systems, Inc. Method and apparatus for multi-band UWB communications
US7961705B2 (en) 2003-04-30 2011-06-14 Lightwaves Systems, Inc. High bandwidth data transport system
US7366250B2 (en) 2004-09-09 2008-04-29 Agere Systems Inc. Method and apparatus for improved efficiency in an extended multiple antenna communication system
KR100638593B1 (ko) 2004-12-13 2006-10-27 한국전자통신연구원 다입력 다출력 직교 주파수 분할 다중 변복조장치에서 고속푸리에 변환 장치의 동작 스케줄을 설계하는 방법 및 그방법을 사용한 변복조장치
WO2006065026A1 (en) * 2004-12-13 2006-06-22 Electronics And Telecommunications Research Institute Method for designing operation schedules of fft and mimo-ofdm modem thereof
CN101427537A (zh) * 2006-03-20 2009-05-06 高通股份有限公司 使用信令信道的上行链路信道估计
US9130791B2 (en) 2006-03-20 2015-09-08 Qualcomm Incorporated Uplink channel estimation using a signaling channel
DK2030394T3 (da) 2006-06-09 2014-10-27 Tq Lambda Llc Fremgangsmåde til transmission af data i et mobilkommunikationssystem
US7944978B2 (en) * 2007-10-29 2011-05-17 Lightwaves Systems, Inc. High bandwidth data transport system
KR100937430B1 (ko) 2008-01-25 2010-01-18 엘지전자 주식회사 신호 송수신 방법 및 신호 송수신 장치
JP2010034976A (ja) * 2008-07-30 2010-02-12 Mitsubishi Electric Corp 誤り訂正符号化装置、誤り訂正復号装置及び誤り訂正符号化方法
US20120002622A1 (en) * 2010-07-02 2012-01-05 Ralink Technology (Singapore) Corporation Pte. Ltd. Method for signal space partition and assignment and apparatus using the same
US11909562B2 (en) * 2020-03-30 2024-02-20 Maxlinear, Inc. Channel training adaptation

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US5852630A (en) * 1997-07-17 1998-12-22 Globespan Semiconductor, Inc. Method and apparatus for a RADSL transceiver warm start activation procedure with precoding
US6458981B1 (en) * 2000-10-11 2002-10-01 Albion International, Inc. Composition and method for preparing amino acid chelate hydroxides free of interfering ions
US20020111142A1 (en) * 2000-12-18 2002-08-15 Klimovitch Gleb V. System, apparatus, and method of estimating multiple-input multiple-output wireless channel with compensation for phase noise and frequency offset
KR100673419B1 (ko) * 2000-12-28 2007-01-24 엘지전자 주식회사 전송 시스템 및 데이터 처리 방법
US7269127B2 (en) * 2001-10-04 2007-09-11 Bae Systems Information And Electronic Systems Integration Inc. Preamble structures for single-input, single-output (SISO) and multi-input, multi-output (MIMO) communication systems
US7280604B2 (en) * 2002-04-22 2007-10-09 Regents Of The University Of Minnesota Space-time doppler coding schemes for time-selective wireless communication channels
GB2393618B (en) * 2002-09-26 2004-12-15 Toshiba Res Europ Ltd Transmission signals methods and apparatus
KR100539924B1 (ko) * 2003-07-08 2005-12-28 삼성전자주식회사 직교 주파수 분할 다중 방식을 사용하는 이동 통신시스템에서 채널 추정 시스템 및 방법

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Publication number Publication date
WO2005112323A3 (en) 2006-02-16
WO2005112323A2 (en) 2005-11-24
US20070248174A1 (en) 2007-10-25
EP1751903A2 (de) 2007-02-14
JP2007537651A (ja) 2007-12-20

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